ASROCK P45XE User Manual page 33

ATX Power Connector
(24-pin ATXPWR1)
(see p.11/12, No. 8)
Though this motherboard provides 24-pin ATX power connector,
it can still work if you adopt a traditional 20-pin ATX power supply.
To use the 20-pin ATX power supply, please plug your power
supply along with Pin 1 and Pin 13.
ATX 12V Power Connector
(8-pin ATX12V1)
(see p.11, No. 38 or p.12 No. 37)
Though this motherboard provides 8-pin ATX 12V power
connector, it can still work if you adopt a traditional 4-pin ATX
12V power supply. To use the 4-pin ATX power supply, please
plug your power supply along with Pin 1 and Pin 5.
IEEE 1394 Header
(9-pin FRONT_1394)
(see p.11 No. 11)
Serial port Header
(9-pin COM1)
(see p.11 No.27 or p.12 No. 26)
Please connect an ATX power
12 24
supply to this connector.
1 13
20-Pin ATX Power Supply Installation
Please connect an ATX 12V
4 8
power supply to this connector.
1 6
4-Pin ATX 12V Power Supply Installation
Besides one default IEEE 1394
RXTPAM_0
GND port on the I/O panel, there is one
RXTPBM_0
+12V
IEEE 1394 header
GND
(FRONT_1394) on this
1
+12V
motherboard. This IEEE 1394
RXTPBP_0
GND
header can support one IEEE
RXTPAP_0
1394 port.
This COM1 header
RRXD1
DDTR#1
supports a serial port module.
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
3 3 3 3 3 3
3 3 3 3
12 24
1 13
4 8
1 6